1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2018 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
48 | #if HAVE_FLOOR |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
|
|
53 | |
53 | |
54 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
162 | # define EV_USE_EVENTFD 0 |
163 | # endif |
163 | # endif |
164 | |
164 | |
165 | #endif |
165 | #endif |
166 | |
166 | |
|
|
167 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
168 | * a limit of 1024 into their select. Where people have brains, |
|
|
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
170 | * ordered to have a vacuum, or they do anything for money. |
|
|
171 | * This might help. Or not. |
|
|
172 | * Note that this must be defined early, as other include files |
|
|
173 | * will rely on this define as well. |
|
|
174 | */ |
|
|
175 | #define _DARWIN_UNLIMITED_SELECT 1 |
|
|
176 | |
167 | #include <stdlib.h> |
177 | #include <stdlib.h> |
168 | #include <string.h> |
178 | #include <string.h> |
169 | #include <fcntl.h> |
179 | #include <fcntl.h> |
170 | #include <stddef.h> |
180 | #include <stddef.h> |
171 | |
181 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
218 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
219 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
220 | # endif |
211 | # undef EV_AVOID_STDIO |
221 | # undef EV_AVOID_STDIO |
212 | #endif |
222 | #endif |
213 | |
|
|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
215 | * a limit of 1024 into their select. Where people have brains, |
|
|
216 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
217 | * ordered to have a vacuum, or they do anything for money. |
|
|
218 | * This might help. Or not. |
|
|
219 | */ |
|
|
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
|
|
221 | |
223 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
224 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
225 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
226 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
227 | #if defined EV_NSIG |
… | |
… | |
256 | # else |
258 | # else |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
258 | # endif |
260 | # endif |
259 | #endif |
261 | #endif |
260 | |
262 | |
|
|
263 | #if !(_POSIX_TIMERS > 0) |
|
|
264 | # ifndef EV_USE_MONOTONIC |
|
|
265 | # define EV_USE_MONOTONIC 0 |
|
|
266 | # endif |
|
|
267 | # ifndef EV_USE_REALTIME |
|
|
268 | # define EV_USE_REALTIME 0 |
|
|
269 | # endif |
|
|
270 | #endif |
|
|
271 | |
261 | #ifndef EV_USE_MONOTONIC |
272 | #ifndef EV_USE_MONOTONIC |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
273 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
263 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
274 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
264 | # else |
275 | # else |
265 | # define EV_USE_MONOTONIC 0 |
276 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
354 | |
365 | |
355 | #ifndef EV_HEAP_CACHE_AT |
366 | #ifndef EV_HEAP_CACHE_AT |
356 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
367 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
357 | #endif |
368 | #endif |
358 | |
369 | |
359 | #ifdef ANDROID |
370 | #ifdef __ANDROID__ |
360 | /* supposedly, android doesn't typedef fd_mask */ |
371 | /* supposedly, android doesn't typedef fd_mask */ |
361 | # undef EV_USE_SELECT |
372 | # undef EV_USE_SELECT |
362 | # define EV_USE_SELECT 0 |
373 | # define EV_USE_SELECT 0 |
363 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
374 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
364 | # undef EV_USE_CLOCK_SYSCALL |
375 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
482 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
493 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
483 | /* ECB.H BEGIN */ |
494 | /* ECB.H BEGIN */ |
484 | /* |
495 | /* |
485 | * libecb - http://software.schmorp.de/pkg/libecb |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
486 | * |
497 | * |
487 | * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> |
498 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
488 | * Copyright (©) 2011 Emanuele Giaquinta |
499 | * Copyright (©) 2011 Emanuele Giaquinta |
489 | * All rights reserved. |
500 | * All rights reserved. |
490 | * |
501 | * |
491 | * Redistribution and use in source and binary forms, with or without modifica- |
502 | * Redistribution and use in source and binary forms, with or without modifica- |
492 | * tion, are permitted provided that the following conditions are met: |
503 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
506 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
517 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
507 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
518 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
508 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
519 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
509 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
520 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
510 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
521 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
522 | * |
|
|
523 | * Alternatively, the contents of this file may be used under the terms of |
|
|
524 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
525 | * in which case the provisions of the GPL are applicable instead of |
|
|
526 | * the above. If you wish to allow the use of your version of this file |
|
|
527 | * only under the terms of the GPL and not to allow others to use your |
|
|
528 | * version of this file under the BSD license, indicate your decision |
|
|
529 | * by deleting the provisions above and replace them with the notice |
|
|
530 | * and other provisions required by the GPL. If you do not delete the |
|
|
531 | * provisions above, a recipient may use your version of this file under |
|
|
532 | * either the BSD or the GPL. |
511 | */ |
533 | */ |
512 | |
534 | |
513 | #ifndef ECB_H |
535 | #ifndef ECB_H |
514 | #define ECB_H |
536 | #define ECB_H |
515 | |
537 | |
516 | /* 16 bits major, 16 bits minor */ |
538 | /* 16 bits major, 16 bits minor */ |
517 | #define ECB_VERSION 0x00010003 |
539 | #define ECB_VERSION 0x00010005 |
518 | |
540 | |
519 | #ifdef _WIN32 |
541 | #ifdef _WIN32 |
520 | typedef signed char int8_t; |
542 | typedef signed char int8_t; |
521 | typedef unsigned char uint8_t; |
543 | typedef unsigned char uint8_t; |
522 | typedef signed short int16_t; |
544 | typedef signed short int16_t; |
… | |
… | |
539 | typedef uint32_t uintptr_t; |
561 | typedef uint32_t uintptr_t; |
540 | typedef int32_t intptr_t; |
562 | typedef int32_t intptr_t; |
541 | #endif |
563 | #endif |
542 | #else |
564 | #else |
543 | #include <inttypes.h> |
565 | #include <inttypes.h> |
544 | #if UINTMAX_MAX > 0xffffffffU |
566 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
545 | #define ECB_PTRSIZE 8 |
567 | #define ECB_PTRSIZE 8 |
546 | #else |
568 | #else |
547 | #define ECB_PTRSIZE 4 |
569 | #define ECB_PTRSIZE 4 |
548 | #endif |
570 | #endif |
549 | #endif |
571 | #endif |
550 | |
572 | |
|
|
573 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
574 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
575 | |
551 | /* work around x32 idiocy by defining proper macros */ |
576 | /* work around x32 idiocy by defining proper macros */ |
552 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
577 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
553 | #if _ILP32 |
578 | #if _ILP32 |
554 | #define ECB_AMD64_X32 1 |
579 | #define ECB_AMD64_X32 1 |
555 | #else |
580 | #else |
556 | #define ECB_AMD64 1 |
581 | #define ECB_AMD64 1 |
557 | #endif |
582 | #endif |
… | |
… | |
562 | * causing enormous grief in return for some better fake benchmark numbers. |
587 | * causing enormous grief in return for some better fake benchmark numbers. |
563 | * or so. |
588 | * or so. |
564 | * we try to detect these and simply assume they are not gcc - if they have |
589 | * we try to detect these and simply assume they are not gcc - if they have |
565 | * an issue with that they should have done it right in the first place. |
590 | * an issue with that they should have done it right in the first place. |
566 | */ |
591 | */ |
567 | #ifndef ECB_GCC_VERSION |
|
|
568 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
592 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
569 | #define ECB_GCC_VERSION(major,minor) 0 |
593 | #define ECB_GCC_VERSION(major,minor) 0 |
570 | #else |
594 | #else |
571 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
595 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
572 | #endif |
596 | #endif |
|
|
597 | |
|
|
598 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
|
|
599 | |
|
|
600 | #if __clang__ && defined __has_builtin |
|
|
601 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
602 | #else |
|
|
603 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
604 | #endif |
|
|
605 | |
|
|
606 | #if __clang__ && defined __has_extension |
|
|
607 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
608 | #else |
|
|
609 | #define ECB_CLANG_EXTENSION(x) 0 |
573 | #endif |
610 | #endif |
574 | |
611 | |
575 | #define ECB_CPP (__cplusplus+0) |
612 | #define ECB_CPP (__cplusplus+0) |
576 | #define ECB_CPP11 (__cplusplus >= 201103L) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
614 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
615 | #define ECB_CPP17 (__cplusplus >= 201703L) |
577 | |
616 | |
578 | #if ECB_CPP |
617 | #if ECB_CPP |
579 | #define ECB_C 0 |
618 | #define ECB_C 0 |
580 | #define ECB_STDC_VERSION 0 |
619 | #define ECB_STDC_VERSION 0 |
581 | #else |
620 | #else |
… | |
… | |
583 | #define ECB_STDC_VERSION __STDC_VERSION__ |
622 | #define ECB_STDC_VERSION __STDC_VERSION__ |
584 | #endif |
623 | #endif |
585 | |
624 | |
586 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
625 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
587 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
626 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
627 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
588 | |
628 | |
589 | #if ECB_CPP |
629 | #if ECB_CPP |
590 | #define ECB_EXTERN_C extern "C" |
630 | #define ECB_EXTERN_C extern "C" |
591 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
631 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
592 | #define ECB_EXTERN_C_END } |
632 | #define ECB_EXTERN_C_END } |
… | |
… | |
605 | #define ECB_NO_SMP 1 |
645 | #define ECB_NO_SMP 1 |
606 | #endif |
646 | #endif |
607 | |
647 | |
608 | #if ECB_NO_SMP |
648 | #if ECB_NO_SMP |
609 | #define ECB_MEMORY_FENCE do { } while (0) |
649 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
653 | #if __xlC__ && ECB_CPP |
|
|
654 | #include <builtins.h> |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | #if 1400 <= _MSC_VER |
|
|
658 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
610 | #endif |
659 | #endif |
611 | |
660 | |
612 | #ifndef ECB_MEMORY_FENCE |
661 | #ifndef ECB_MEMORY_FENCE |
613 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
662 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
614 | #if __i386 || __i386__ |
663 | #if __i386 || __i386__ |
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
616 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
617 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
666 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
618 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
667 | #elif ECB_GCC_AMD64 |
619 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
668 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
620 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
669 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
621 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
670 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
622 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
671 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
673 | #elif defined __ARM_ARCH_2__ \ |
|
|
674 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
675 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
676 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
677 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
678 | || defined __ARM_ARCH_5TEJ__ |
|
|
679 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
624 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
680 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
625 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
681 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
682 | || defined __ARM_ARCH_6T2__ |
626 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
627 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
684 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
628 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
685 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
629 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
686 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
630 | #elif __aarch64__ |
687 | #elif __aarch64__ |
631 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
688 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
632 | #elif (__sparc || __sparc__) && !__sparcv8 |
689 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
633 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
690 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
634 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
691 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
635 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
692 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
636 | #elif defined __s390__ || defined __s390x__ |
693 | #elif defined __s390__ || defined __s390x__ |
637 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
694 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
661 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
718 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
662 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
719 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
663 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
720 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
664 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
721 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
665 | |
722 | |
666 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
723 | #elif ECB_CLANG_EXTENSION(c_atomic) |
667 | * without risking compile time errors with other compilers. We *could* |
|
|
668 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
669 | * around this shit time and again. |
|
|
670 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
671 | * // see comment below (stdatomic.h) about the C11 memory model. |
724 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
672 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
725 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
673 | * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
726 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
674 | * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
727 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
675 | */ |
|
|
676 | |
728 | |
677 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
729 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
678 | #define ECB_MEMORY_FENCE __sync_synchronize () |
730 | #define ECB_MEMORY_FENCE __sync_synchronize () |
679 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
731 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
680 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
732 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
743 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
795 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
744 | #endif |
796 | #endif |
745 | |
797 | |
746 | /*****************************************************************************/ |
798 | /*****************************************************************************/ |
747 | |
799 | |
748 | #if __cplusplus |
800 | #if ECB_CPP |
749 | #define ecb_inline static inline |
801 | #define ecb_inline static inline |
750 | #elif ECB_GCC_VERSION(2,5) |
802 | #elif ECB_GCC_VERSION(2,5) |
751 | #define ecb_inline static __inline__ |
803 | #define ecb_inline static __inline__ |
752 | #elif ECB_C99 |
804 | #elif ECB_C99 |
753 | #define ecb_inline static inline |
805 | #define ecb_inline static inline |
… | |
… | |
767 | |
819 | |
768 | #define ECB_CONCAT_(a, b) a ## b |
820 | #define ECB_CONCAT_(a, b) a ## b |
769 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
821 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
770 | #define ECB_STRINGIFY_(a) # a |
822 | #define ECB_STRINGIFY_(a) # a |
771 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
823 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
824 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
772 | |
825 | |
773 | #define ecb_function_ ecb_inline |
826 | #define ecb_function_ ecb_inline |
774 | |
827 | |
775 | #if ECB_GCC_VERSION(3,1) |
828 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
776 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
829 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
830 | #else |
|
|
831 | #define ecb_attribute(attrlist) |
|
|
832 | #endif |
|
|
833 | |
|
|
834 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
777 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
835 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
778 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
779 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
780 | #else |
836 | #else |
781 | #define ecb_attribute(attrlist) |
|
|
782 | |
|
|
783 | /* possible C11 impl for integral types |
837 | /* possible C11 impl for integral types |
784 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
838 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
785 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
839 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
786 | |
840 | |
787 | #define ecb_is_constant(expr) 0 |
841 | #define ecb_is_constant(expr) 0 |
|
|
842 | #endif |
|
|
843 | |
|
|
844 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
|
|
845 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
846 | #else |
788 | #define ecb_expect(expr,value) (expr) |
847 | #define ecb_expect(expr,value) (expr) |
|
|
848 | #endif |
|
|
849 | |
|
|
850 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
|
|
851 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
852 | #else |
789 | #define ecb_prefetch(addr,rw,locality) |
853 | #define ecb_prefetch(addr,rw,locality) |
790 | #endif |
854 | #endif |
791 | |
855 | |
792 | /* no emulation for ecb_decltype */ |
856 | /* no emulation for ecb_decltype */ |
793 | #if ECB_GCC_VERSION(4,5) |
857 | #if ECB_CPP11 |
|
|
858 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
859 | template<class T> struct ecb_decltype_t { typedef T type; }; |
794 | #define ecb_decltype(x) __decltype(x) |
860 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
795 | #elif ECB_GCC_VERSION(3,0) |
861 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
796 | #define ecb_decltype(x) __typeof(x) |
862 | #define ecb_decltype(x) __typeof__ (x) |
797 | #endif |
863 | #endif |
798 | |
864 | |
|
|
865 | #if _MSC_VER >= 1300 |
|
|
866 | #define ecb_deprecated __declspec (deprecated) |
|
|
867 | #else |
|
|
868 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
869 | #endif |
|
|
870 | |
|
|
871 | #if _MSC_VER >= 1500 |
|
|
872 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
873 | #elif ECB_GCC_VERSION(4,5) |
|
|
874 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
875 | #else |
|
|
876 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if _MSC_VER >= 1400 |
|
|
880 | #define ecb_noinline __declspec (noinline) |
|
|
881 | #else |
799 | #define ecb_noinline ecb_attribute ((__noinline__)) |
882 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
883 | #endif |
|
|
884 | |
800 | #define ecb_unused ecb_attribute ((__unused__)) |
885 | #define ecb_unused ecb_attribute ((__unused__)) |
801 | #define ecb_const ecb_attribute ((__const__)) |
886 | #define ecb_const ecb_attribute ((__const__)) |
802 | #define ecb_pure ecb_attribute ((__pure__)) |
887 | #define ecb_pure ecb_attribute ((__pure__)) |
803 | |
888 | |
804 | #if ECB_C11 |
889 | #if ECB_C11 || __IBMC_NORETURN |
|
|
890 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
805 | #define ecb_noreturn _Noreturn |
891 | #define ecb_noreturn _Noreturn |
|
|
892 | #elif ECB_CPP11 |
|
|
893 | #define ecb_noreturn [[noreturn]] |
|
|
894 | #elif _MSC_VER >= 1200 |
|
|
895 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
896 | #define ecb_noreturn __declspec (noreturn) |
806 | #else |
897 | #else |
807 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
898 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
808 | #endif |
899 | #endif |
809 | |
900 | |
810 | #if ECB_GCC_VERSION(4,3) |
901 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
825 | /* for compatibility to the rest of the world */ |
916 | /* for compatibility to the rest of the world */ |
826 | #define ecb_likely(expr) ecb_expect_true (expr) |
917 | #define ecb_likely(expr) ecb_expect_true (expr) |
827 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
918 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
828 | |
919 | |
829 | /* count trailing zero bits and count # of one bits */ |
920 | /* count trailing zero bits and count # of one bits */ |
830 | #if ECB_GCC_VERSION(3,4) |
921 | #if ECB_GCC_VERSION(3,4) \ |
|
|
922 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
923 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
924 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
831 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
925 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
832 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
926 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
833 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
927 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
834 | #define ecb_ctz32(x) __builtin_ctz (x) |
928 | #define ecb_ctz32(x) __builtin_ctz (x) |
835 | #define ecb_ctz64(x) __builtin_ctzll (x) |
929 | #define ecb_ctz64(x) __builtin_ctzll (x) |
836 | #define ecb_popcount32(x) __builtin_popcount (x) |
930 | #define ecb_popcount32(x) __builtin_popcount (x) |
837 | /* no popcountll */ |
931 | /* no popcountll */ |
838 | #else |
932 | #else |
839 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
933 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
840 | ecb_function_ int |
934 | ecb_function_ ecb_const int |
841 | ecb_ctz32 (uint32_t x) |
935 | ecb_ctz32 (uint32_t x) |
842 | { |
936 | { |
|
|
937 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
938 | unsigned long r; |
|
|
939 | _BitScanForward (&r, x); |
|
|
940 | return (int)r; |
|
|
941 | #else |
843 | int r = 0; |
942 | int r = 0; |
844 | |
943 | |
845 | x &= ~x + 1; /* this isolates the lowest bit */ |
944 | x &= ~x + 1; /* this isolates the lowest bit */ |
846 | |
945 | |
847 | #if ECB_branchless_on_i386 |
946 | #if ECB_branchless_on_i386 |
… | |
… | |
857 | if (x & 0xff00ff00) r += 8; |
956 | if (x & 0xff00ff00) r += 8; |
858 | if (x & 0xffff0000) r += 16; |
957 | if (x & 0xffff0000) r += 16; |
859 | #endif |
958 | #endif |
860 | |
959 | |
861 | return r; |
960 | return r; |
|
|
961 | #endif |
862 | } |
962 | } |
863 | |
963 | |
864 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
964 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
865 | ecb_function_ int |
965 | ecb_function_ ecb_const int |
866 | ecb_ctz64 (uint64_t x) |
966 | ecb_ctz64 (uint64_t x) |
867 | { |
967 | { |
|
|
968 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
969 | unsigned long r; |
|
|
970 | _BitScanForward64 (&r, x); |
|
|
971 | return (int)r; |
|
|
972 | #else |
868 | int shift = x & 0xffffffffU ? 0 : 32; |
973 | int shift = x & 0xffffffff ? 0 : 32; |
869 | return ecb_ctz32 (x >> shift) + shift; |
974 | return ecb_ctz32 (x >> shift) + shift; |
|
|
975 | #endif |
870 | } |
976 | } |
871 | |
977 | |
872 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
978 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
873 | ecb_function_ int |
979 | ecb_function_ ecb_const int |
874 | ecb_popcount32 (uint32_t x) |
980 | ecb_popcount32 (uint32_t x) |
875 | { |
981 | { |
876 | x -= (x >> 1) & 0x55555555; |
982 | x -= (x >> 1) & 0x55555555; |
877 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
983 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
878 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
984 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
879 | x *= 0x01010101; |
985 | x *= 0x01010101; |
880 | |
986 | |
881 | return x >> 24; |
987 | return x >> 24; |
882 | } |
988 | } |
883 | |
989 | |
884 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
990 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
885 | ecb_function_ int ecb_ld32 (uint32_t x) |
991 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
886 | { |
992 | { |
|
|
993 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
994 | unsigned long r; |
|
|
995 | _BitScanReverse (&r, x); |
|
|
996 | return (int)r; |
|
|
997 | #else |
887 | int r = 0; |
998 | int r = 0; |
888 | |
999 | |
889 | if (x >> 16) { x >>= 16; r += 16; } |
1000 | if (x >> 16) { x >>= 16; r += 16; } |
890 | if (x >> 8) { x >>= 8; r += 8; } |
1001 | if (x >> 8) { x >>= 8; r += 8; } |
891 | if (x >> 4) { x >>= 4; r += 4; } |
1002 | if (x >> 4) { x >>= 4; r += 4; } |
892 | if (x >> 2) { x >>= 2; r += 2; } |
1003 | if (x >> 2) { x >>= 2; r += 2; } |
893 | if (x >> 1) { r += 1; } |
1004 | if (x >> 1) { r += 1; } |
894 | |
1005 | |
895 | return r; |
1006 | return r; |
|
|
1007 | #endif |
896 | } |
1008 | } |
897 | |
1009 | |
898 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1010 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
899 | ecb_function_ int ecb_ld64 (uint64_t x) |
1011 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
900 | { |
1012 | { |
|
|
1013 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1014 | unsigned long r; |
|
|
1015 | _BitScanReverse64 (&r, x); |
|
|
1016 | return (int)r; |
|
|
1017 | #else |
901 | int r = 0; |
1018 | int r = 0; |
902 | |
1019 | |
903 | if (x >> 32) { x >>= 32; r += 32; } |
1020 | if (x >> 32) { x >>= 32; r += 32; } |
904 | |
1021 | |
905 | return r + ecb_ld32 (x); |
1022 | return r + ecb_ld32 (x); |
|
|
1023 | #endif |
906 | } |
1024 | } |
907 | #endif |
1025 | #endif |
908 | |
1026 | |
909 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1027 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
910 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1028 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
911 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1029 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
912 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1030 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
913 | |
1031 | |
914 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1032 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
915 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1033 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
916 | { |
1034 | { |
917 | return ( (x * 0x0802U & 0x22110U) |
1035 | return ( (x * 0x0802U & 0x22110U) |
918 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1036 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
919 | } |
1037 | } |
920 | |
1038 | |
921 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1039 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
922 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1040 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
923 | { |
1041 | { |
924 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1042 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
925 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1043 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
926 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1044 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
927 | x = ( x >> 8 ) | ( x << 8); |
1045 | x = ( x >> 8 ) | ( x << 8); |
928 | |
1046 | |
929 | return x; |
1047 | return x; |
930 | } |
1048 | } |
931 | |
1049 | |
932 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1050 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
933 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1051 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
934 | { |
1052 | { |
935 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1053 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
936 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1054 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
937 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1055 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
938 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1056 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
941 | return x; |
1059 | return x; |
942 | } |
1060 | } |
943 | |
1061 | |
944 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1062 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
945 | /* so for this version we are lazy */ |
1063 | /* so for this version we are lazy */ |
946 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1064 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
947 | ecb_function_ int |
1065 | ecb_function_ ecb_const int |
948 | ecb_popcount64 (uint64_t x) |
1066 | ecb_popcount64 (uint64_t x) |
949 | { |
1067 | { |
950 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1068 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
951 | } |
1069 | } |
952 | |
1070 | |
953 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1071 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
954 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1072 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
955 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1073 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
956 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1074 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
957 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1075 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
958 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1076 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
959 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1077 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
960 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1078 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
961 | |
1079 | |
962 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1080 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
963 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1081 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
964 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1082 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
965 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1083 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
966 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1084 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
967 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1085 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
968 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1086 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
969 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1087 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
970 | |
1088 | |
971 | #if ECB_GCC_VERSION(4,3) |
1089 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1090 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1091 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1092 | #else |
972 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1093 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1094 | #endif |
973 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1095 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
974 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1096 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1097 | #elif _MSC_VER |
|
|
1098 | #include <stdlib.h> |
|
|
1099 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1100 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1101 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
975 | #else |
1102 | #else |
976 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1103 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
977 | ecb_function_ uint16_t |
1104 | ecb_function_ ecb_const uint16_t |
978 | ecb_bswap16 (uint16_t x) |
1105 | ecb_bswap16 (uint16_t x) |
979 | { |
1106 | { |
980 | return ecb_rotl16 (x, 8); |
1107 | return ecb_rotl16 (x, 8); |
981 | } |
1108 | } |
982 | |
1109 | |
983 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1110 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
984 | ecb_function_ uint32_t |
1111 | ecb_function_ ecb_const uint32_t |
985 | ecb_bswap32 (uint32_t x) |
1112 | ecb_bswap32 (uint32_t x) |
986 | { |
1113 | { |
987 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1114 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
988 | } |
1115 | } |
989 | |
1116 | |
990 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1117 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
991 | ecb_function_ uint64_t |
1118 | ecb_function_ ecb_const uint64_t |
992 | ecb_bswap64 (uint64_t x) |
1119 | ecb_bswap64 (uint64_t x) |
993 | { |
1120 | { |
994 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1121 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
995 | } |
1122 | } |
996 | #endif |
1123 | #endif |
997 | |
1124 | |
998 | #if ECB_GCC_VERSION(4,5) |
1125 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
999 | #define ecb_unreachable() __builtin_unreachable () |
1126 | #define ecb_unreachable() __builtin_unreachable () |
1000 | #else |
1127 | #else |
1001 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1128 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1002 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1129 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
1003 | ecb_inline void ecb_unreachable (void) { } |
1130 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
1004 | #endif |
1131 | #endif |
1005 | |
1132 | |
1006 | /* try to tell the compiler that some condition is definitely true */ |
1133 | /* try to tell the compiler that some condition is definitely true */ |
1007 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1134 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1008 | |
1135 | |
1009 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1136 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
1010 | ecb_inline unsigned char |
1137 | ecb_inline ecb_const uint32_t |
1011 | ecb_byteorder_helper (void) |
1138 | ecb_byteorder_helper (void) |
1012 | { |
1139 | { |
1013 | /* the union code still generates code under pressure in gcc, */ |
1140 | /* the union code still generates code under pressure in gcc, */ |
1014 | /* but less than using pointers, and always seems to */ |
1141 | /* but less than using pointers, and always seems to */ |
1015 | /* successfully return a constant. */ |
1142 | /* successfully return a constant. */ |
1016 | /* the reason why we have this horrible preprocessor mess */ |
1143 | /* the reason why we have this horrible preprocessor mess */ |
1017 | /* is to avoid it in all cases, at least on common architectures */ |
1144 | /* is to avoid it in all cases, at least on common architectures */ |
1018 | /* or when using a recent enough gcc version (>= 4.6) */ |
1145 | /* or when using a recent enough gcc version (>= 4.6) */ |
1019 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
1020 | return 0x44; |
|
|
1021 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1146 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1147 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1148 | #define ECB_LITTLE_ENDIAN 1 |
1022 | return 0x44; |
1149 | return 0x44332211; |
1023 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1150 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1151 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1152 | #define ECB_BIG_ENDIAN 1 |
1024 | return 0x11; |
1153 | return 0x11223344; |
1025 | #else |
1154 | #else |
1026 | union |
1155 | union |
1027 | { |
1156 | { |
|
|
1157 | uint8_t c[4]; |
1028 | uint32_t i; |
1158 | uint32_t u; |
1029 | uint8_t c; |
|
|
1030 | } u = { 0x11223344 }; |
1159 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1031 | return u.c; |
1160 | return u.u; |
1032 | #endif |
1161 | #endif |
1033 | } |
1162 | } |
1034 | |
1163 | |
1035 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1164 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1036 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1165 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1037 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1166 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1038 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1167 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1039 | |
1168 | |
1040 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1169 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1041 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1170 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1042 | #else |
1171 | #else |
1043 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1172 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1044 | #endif |
1173 | #endif |
1045 | |
1174 | |
1046 | #if __cplusplus |
1175 | #if ECB_CPP |
1047 | template<typename T> |
1176 | template<typename T> |
1048 | static inline T ecb_div_rd (T val, T div) |
1177 | static inline T ecb_div_rd (T val, T div) |
1049 | { |
1178 | { |
1050 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1179 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1051 | } |
1180 | } |
… | |
… | |
1068 | } |
1197 | } |
1069 | #else |
1198 | #else |
1070 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1199 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1071 | #endif |
1200 | #endif |
1072 | |
1201 | |
|
|
1202 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1203 | ecb_function_ ecb_const uint32_t |
|
|
1204 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1205 | { |
|
|
1206 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1207 | int e = (x >> 10) & 0x001f; |
|
|
1208 | unsigned int m = x & 0x03ff; |
|
|
1209 | |
|
|
1210 | if (ecb_expect_false (e == 31)) |
|
|
1211 | /* infinity or NaN */ |
|
|
1212 | e = 255 - (127 - 15); |
|
|
1213 | else if (ecb_expect_false (!e)) |
|
|
1214 | { |
|
|
1215 | if (ecb_expect_true (!m)) |
|
|
1216 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1217 | e = 0 - (127 - 15); |
|
|
1218 | else |
|
|
1219 | { |
|
|
1220 | /* subnormal, renormalise */ |
|
|
1221 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1222 | |
|
|
1223 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1224 | e -= s - 1; |
|
|
1225 | } |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1229 | e += 127 - 15; |
|
|
1230 | |
|
|
1231 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1235 | ecb_function_ ecb_const uint16_t |
|
|
1236 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1237 | { |
|
|
1238 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1239 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1240 | unsigned int m = x & 0x007fffff; |
|
|
1241 | |
|
|
1242 | x &= 0x7fffffff; |
|
|
1243 | |
|
|
1244 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1245 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1246 | { |
|
|
1247 | /* mantissa round-to-even */ |
|
|
1248 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1249 | |
|
|
1250 | /* handle overflow */ |
|
|
1251 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1252 | { |
|
|
1253 | m >>= 1; |
|
|
1254 | e += 1; |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | /* handle large numbers and infinity */ |
|
|
1261 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1262 | return s | 0x7c00; |
|
|
1263 | |
|
|
1264 | /* handle zero, subnormals and small numbers */ |
|
|
1265 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1266 | { |
|
|
1267 | /* zero */ |
|
|
1268 | if (ecb_expect_true (!x)) |
|
|
1269 | return s; |
|
|
1270 | |
|
|
1271 | /* handle subnormals */ |
|
|
1272 | |
|
|
1273 | /* too small, will be zero */ |
|
|
1274 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1275 | return s; |
|
|
1276 | |
|
|
1277 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1278 | |
|
|
1279 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1280 | { |
|
|
1281 | unsigned int bits = 14 - e; |
|
|
1282 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1283 | unsigned int even = (m >> bits) & 1; |
|
|
1284 | |
|
|
1285 | /* if this overflows, we will end up with a normalised number */ |
|
|
1286 | m = (m + half + even) >> bits; |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | return s | m; |
|
|
1290 | } |
|
|
1291 | |
|
|
1292 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1293 | m >>= 13; |
|
|
1294 | |
|
|
1295 | return s | 0x7c00 | m | !m; |
|
|
1296 | } |
|
|
1297 | |
1073 | /*******************************************************************************/ |
1298 | /*******************************************************************************/ |
1074 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1299 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1075 | |
1300 | |
1076 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1301 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1077 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1302 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1078 | #if 0 \ |
1303 | #if 0 \ |
1079 | || __i386 || __i386__ \ |
1304 | || __i386 || __i386__ \ |
1080 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1305 | || ECB_GCC_AMD64 \ |
1081 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1306 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1082 | || defined __s390__ || defined __s390x__ \ |
1307 | || defined __s390__ || defined __s390x__ \ |
1083 | || defined __mips__ \ |
1308 | || defined __mips__ \ |
1084 | || defined __alpha__ \ |
1309 | || defined __alpha__ \ |
1085 | || defined __hppa__ \ |
1310 | || defined __hppa__ \ |
1086 | || defined __ia64__ \ |
1311 | || defined __ia64__ \ |
1087 | || defined __m68k__ \ |
1312 | || defined __m68k__ \ |
1088 | || defined __m88k__ \ |
1313 | || defined __m88k__ \ |
1089 | || defined __sh__ \ |
1314 | || defined __sh__ \ |
1090 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ |
1315 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1091 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1316 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1092 | || defined __aarch64__ |
1317 | || defined __aarch64__ |
1093 | #define ECB_STDFP 1 |
1318 | #define ECB_STDFP 1 |
1094 | #include <string.h> /* for memcpy */ |
1319 | #include <string.h> /* for memcpy */ |
1095 | #else |
1320 | #else |
… | |
… | |
1111 | #define ECB_NAN NAN |
1336 | #define ECB_NAN NAN |
1112 | #else |
1337 | #else |
1113 | #define ECB_NAN ECB_INFINITY |
1338 | #define ECB_NAN ECB_INFINITY |
1114 | #endif |
1339 | #endif |
1115 | |
1340 | |
1116 | /* converts an ieee half/binary16 to a float */ |
1341 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1117 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1342 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1118 | ecb_function_ float |
1343 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1119 | ecb_binary16_to_float (uint16_t x) |
1344 | #else |
1120 | { |
1345 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1121 | int e = (x >> 10) & 0x1f; |
1346 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1122 | int m = x & 0x3ff; |
1347 | #endif |
1123 | float r; |
|
|
1124 | |
|
|
1125 | if (!e ) r = ldexpf (m , -24); |
|
|
1126 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1127 | else if (m ) r = ECB_NAN; |
|
|
1128 | else r = ECB_INFINITY; |
|
|
1129 | |
|
|
1130 | return x & 0x8000 ? -r : r; |
|
|
1131 | } |
|
|
1132 | |
1348 | |
1133 | /* convert a float to ieee single/binary32 */ |
1349 | /* convert a float to ieee single/binary32 */ |
1134 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1350 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1135 | ecb_function_ uint32_t |
1351 | ecb_function_ ecb_const uint32_t |
1136 | ecb_float_to_binary32 (float x) |
1352 | ecb_float_to_binary32 (float x) |
1137 | { |
1353 | { |
1138 | uint32_t r; |
1354 | uint32_t r; |
1139 | |
1355 | |
1140 | #if ECB_STDFP |
1356 | #if ECB_STDFP |
… | |
… | |
1147 | if (x == 0e0f ) return 0x00000000U; |
1363 | if (x == 0e0f ) return 0x00000000U; |
1148 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1364 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1149 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1365 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1150 | if (x != x ) return 0x7fbfffffU; |
1366 | if (x != x ) return 0x7fbfffffU; |
1151 | |
1367 | |
1152 | m = frexpf (x, &e) * 0x1000000U; |
1368 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1153 | |
1369 | |
1154 | r = m & 0x80000000U; |
1370 | r = m & 0x80000000U; |
1155 | |
1371 | |
1156 | if (r) |
1372 | if (r) |
1157 | m = -m; |
1373 | m = -m; |
… | |
… | |
1169 | |
1385 | |
1170 | return r; |
1386 | return r; |
1171 | } |
1387 | } |
1172 | |
1388 | |
1173 | /* converts an ieee single/binary32 to a float */ |
1389 | /* converts an ieee single/binary32 to a float */ |
1174 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1390 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1175 | ecb_function_ float |
1391 | ecb_function_ ecb_const float |
1176 | ecb_binary32_to_float (uint32_t x) |
1392 | ecb_binary32_to_float (uint32_t x) |
1177 | { |
1393 | { |
1178 | float r; |
1394 | float r; |
1179 | |
1395 | |
1180 | #if ECB_STDFP |
1396 | #if ECB_STDFP |
… | |
… | |
1190 | x |= 0x800000U; |
1406 | x |= 0x800000U; |
1191 | else |
1407 | else |
1192 | e = 1; |
1408 | e = 1; |
1193 | |
1409 | |
1194 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1410 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1195 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1411 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1196 | |
1412 | |
1197 | r = neg ? -r : r; |
1413 | r = neg ? -r : r; |
1198 | #endif |
1414 | #endif |
1199 | |
1415 | |
1200 | return r; |
1416 | return r; |
1201 | } |
1417 | } |
1202 | |
1418 | |
1203 | /* convert a double to ieee double/binary64 */ |
1419 | /* convert a double to ieee double/binary64 */ |
1204 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1420 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1205 | ecb_function_ uint64_t |
1421 | ecb_function_ ecb_const uint64_t |
1206 | ecb_double_to_binary64 (double x) |
1422 | ecb_double_to_binary64 (double x) |
1207 | { |
1423 | { |
1208 | uint64_t r; |
1424 | uint64_t r; |
1209 | |
1425 | |
1210 | #if ECB_STDFP |
1426 | #if ECB_STDFP |
… | |
… | |
1239 | |
1455 | |
1240 | return r; |
1456 | return r; |
1241 | } |
1457 | } |
1242 | |
1458 | |
1243 | /* converts an ieee double/binary64 to a double */ |
1459 | /* converts an ieee double/binary64 to a double */ |
1244 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1460 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1245 | ecb_function_ double |
1461 | ecb_function_ ecb_const double |
1246 | ecb_binary64_to_double (uint64_t x) |
1462 | ecb_binary64_to_double (uint64_t x) |
1247 | { |
1463 | { |
1248 | double r; |
1464 | double r; |
1249 | |
1465 | |
1250 | #if ECB_STDFP |
1466 | #if ECB_STDFP |
… | |
… | |
1266 | |
1482 | |
1267 | r = neg ? -r : r; |
1483 | r = neg ? -r : r; |
1268 | #endif |
1484 | #endif |
1269 | |
1485 | |
1270 | return r; |
1486 | return r; |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | /* convert a float to ieee half/binary16 */ |
|
|
1490 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1491 | ecb_function_ ecb_const uint16_t |
|
|
1492 | ecb_float_to_binary16 (float x) |
|
|
1493 | { |
|
|
1494 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | /* convert an ieee half/binary16 to float */ |
|
|
1498 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1499 | ecb_function_ ecb_const float |
|
|
1500 | ecb_binary16_to_float (uint16_t x) |
|
|
1501 | { |
|
|
1502 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1271 | } |
1503 | } |
1272 | |
1504 | |
1273 | #endif |
1505 | #endif |
1274 | |
1506 | |
1275 | #endif |
1507 | #endif |
… | |
… | |
1300 | #define inline_size ecb_inline |
1532 | #define inline_size ecb_inline |
1301 | |
1533 | |
1302 | #if EV_FEATURE_CODE |
1534 | #if EV_FEATURE_CODE |
1303 | # define inline_speed ecb_inline |
1535 | # define inline_speed ecb_inline |
1304 | #else |
1536 | #else |
1305 | # define inline_speed static noinline |
1537 | # define inline_speed noinline static |
1306 | #endif |
1538 | #endif |
1307 | |
1539 | |
1308 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1540 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1309 | |
1541 | |
1310 | #if EV_MINPRI == EV_MAXPRI |
1542 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
1357 | #else |
1589 | #else |
1358 | |
1590 | |
1359 | #include <float.h> |
1591 | #include <float.h> |
1360 | |
1592 | |
1361 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1593 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1594 | noinline |
1362 | static ev_tstamp noinline |
1595 | static ev_tstamp |
1363 | ev_floor (ev_tstamp v) |
1596 | ev_floor (ev_tstamp v) |
1364 | { |
1597 | { |
1365 | /* the choice of shift factor is not terribly important */ |
1598 | /* the choice of shift factor is not terribly important */ |
1366 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1599 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1367 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1600 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1399 | |
1632 | |
1400 | #ifdef __linux |
1633 | #ifdef __linux |
1401 | # include <sys/utsname.h> |
1634 | # include <sys/utsname.h> |
1402 | #endif |
1635 | #endif |
1403 | |
1636 | |
1404 | static unsigned int noinline ecb_cold |
1637 | noinline ecb_cold |
|
|
1638 | static unsigned int |
1405 | ev_linux_version (void) |
1639 | ev_linux_version (void) |
1406 | { |
1640 | { |
1407 | #ifdef __linux |
1641 | #ifdef __linux |
1408 | unsigned int v = 0; |
1642 | unsigned int v = 0; |
1409 | struct utsname buf; |
1643 | struct utsname buf; |
… | |
… | |
1438 | } |
1672 | } |
1439 | |
1673 | |
1440 | /*****************************************************************************/ |
1674 | /*****************************************************************************/ |
1441 | |
1675 | |
1442 | #if EV_AVOID_STDIO |
1676 | #if EV_AVOID_STDIO |
1443 | static void noinline ecb_cold |
1677 | noinline ecb_cold |
|
|
1678 | static void |
1444 | ev_printerr (const char *msg) |
1679 | ev_printerr (const char *msg) |
1445 | { |
1680 | { |
1446 | write (STDERR_FILENO, msg, strlen (msg)); |
1681 | write (STDERR_FILENO, msg, strlen (msg)); |
1447 | } |
1682 | } |
1448 | #endif |
1683 | #endif |
1449 | |
1684 | |
1450 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1685 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1451 | |
1686 | |
1452 | void ecb_cold |
1687 | ecb_cold |
|
|
1688 | void |
1453 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1689 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1454 | { |
1690 | { |
1455 | syserr_cb = cb; |
1691 | syserr_cb = cb; |
1456 | } |
1692 | } |
1457 | |
1693 | |
1458 | static void noinline ecb_cold |
1694 | noinline ecb_cold |
|
|
1695 | static void |
1459 | ev_syserr (const char *msg) |
1696 | ev_syserr (const char *msg) |
1460 | { |
1697 | { |
1461 | if (!msg) |
1698 | if (!msg) |
1462 | msg = "(libev) system error"; |
1699 | msg = "(libev) system error"; |
1463 | |
1700 | |
… | |
… | |
1476 | abort (); |
1713 | abort (); |
1477 | } |
1714 | } |
1478 | } |
1715 | } |
1479 | |
1716 | |
1480 | static void * |
1717 | static void * |
1481 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1718 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1482 | { |
1719 | { |
1483 | /* some systems, notably openbsd and darwin, fail to properly |
1720 | /* some systems, notably openbsd and darwin, fail to properly |
1484 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1721 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1485 | * the single unix specification, so work around them here. |
1722 | * the single unix specification, so work around them here. |
1486 | * recently, also (at least) fedora and debian started breaking it, |
1723 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1492 | |
1729 | |
1493 | free (ptr); |
1730 | free (ptr); |
1494 | return 0; |
1731 | return 0; |
1495 | } |
1732 | } |
1496 | |
1733 | |
1497 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1734 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1498 | |
1735 | |
1499 | void ecb_cold |
1736 | ecb_cold |
|
|
1737 | void |
1500 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1738 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1501 | { |
1739 | { |
1502 | alloc = cb; |
1740 | alloc = cb; |
1503 | } |
1741 | } |
1504 | |
1742 | |
1505 | inline_speed void * |
1743 | inline_speed void * |
… | |
… | |
1622 | |
1860 | |
1623 | /*****************************************************************************/ |
1861 | /*****************************************************************************/ |
1624 | |
1862 | |
1625 | #ifndef EV_HAVE_EV_TIME |
1863 | #ifndef EV_HAVE_EV_TIME |
1626 | ev_tstamp |
1864 | ev_tstamp |
1627 | ev_time (void) EV_THROW |
1865 | ev_time (void) EV_NOEXCEPT |
1628 | { |
1866 | { |
1629 | #if EV_USE_REALTIME |
1867 | #if EV_USE_REALTIME |
1630 | if (expect_true (have_realtime)) |
1868 | if (expect_true (have_realtime)) |
1631 | { |
1869 | { |
1632 | struct timespec ts; |
1870 | struct timespec ts; |
… | |
… | |
1656 | return ev_time (); |
1894 | return ev_time (); |
1657 | } |
1895 | } |
1658 | |
1896 | |
1659 | #if EV_MULTIPLICITY |
1897 | #if EV_MULTIPLICITY |
1660 | ev_tstamp |
1898 | ev_tstamp |
1661 | ev_now (EV_P) EV_THROW |
1899 | ev_now (EV_P) EV_NOEXCEPT |
1662 | { |
1900 | { |
1663 | return ev_rt_now; |
1901 | return ev_rt_now; |
1664 | } |
1902 | } |
1665 | #endif |
1903 | #endif |
1666 | |
1904 | |
1667 | void |
1905 | void |
1668 | ev_sleep (ev_tstamp delay) EV_THROW |
1906 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1669 | { |
1907 | { |
1670 | if (delay > 0.) |
1908 | if (delay > 0.) |
1671 | { |
1909 | { |
1672 | #if EV_USE_NANOSLEEP |
1910 | #if EV_USE_NANOSLEEP |
1673 | struct timespec ts; |
1911 | struct timespec ts; |
1674 | |
1912 | |
1675 | EV_TS_SET (ts, delay); |
1913 | EV_TS_SET (ts, delay); |
1676 | nanosleep (&ts, 0); |
1914 | nanosleep (&ts, 0); |
1677 | #elif defined _WIN32 |
1915 | #elif defined _WIN32 |
|
|
1916 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1917 | /* compared to select (µs) or nanosleep (ns) */ |
1678 | Sleep ((unsigned long)(delay * 1e3)); |
1918 | Sleep ((unsigned long)(delay * 1e3)); |
1679 | #else |
1919 | #else |
1680 | struct timeval tv; |
1920 | struct timeval tv; |
1681 | |
1921 | |
1682 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1922 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1713 | } |
1953 | } |
1714 | |
1954 | |
1715 | return ncur; |
1955 | return ncur; |
1716 | } |
1956 | } |
1717 | |
1957 | |
1718 | static void * noinline ecb_cold |
1958 | noinline ecb_cold |
|
|
1959 | static void * |
1719 | array_realloc (int elem, void *base, int *cur, int cnt) |
1960 | array_realloc (int elem, void *base, int *cur, int cnt) |
1720 | { |
1961 | { |
1721 | *cur = array_nextsize (elem, *cur, cnt); |
1962 | *cur = array_nextsize (elem, *cur, cnt); |
1722 | return ev_realloc (base, elem * *cur); |
1963 | return ev_realloc (base, elem * *cur); |
1723 | } |
1964 | } |
… | |
… | |
1726 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1967 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1727 | |
1968 | |
1728 | #define array_needsize(type,base,cur,cnt,init) \ |
1969 | #define array_needsize(type,base,cur,cnt,init) \ |
1729 | if (expect_false ((cnt) > (cur))) \ |
1970 | if (expect_false ((cnt) > (cur))) \ |
1730 | { \ |
1971 | { \ |
1731 | int ecb_unused ocur_ = (cur); \ |
1972 | ecb_unused int ocur_ = (cur); \ |
1732 | (base) = (type *)array_realloc \ |
1973 | (base) = (type *)array_realloc \ |
1733 | (sizeof (type), (base), &(cur), (cnt)); \ |
1974 | (sizeof (type), (base), &(cur), (cnt)); \ |
1734 | init ((base) + (ocur_), (cur) - ocur_); \ |
1975 | init ((base) + (ocur_), (cur) - ocur_); \ |
1735 | } |
1976 | } |
1736 | |
1977 | |
… | |
… | |
1748 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1989 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1749 | |
1990 | |
1750 | /*****************************************************************************/ |
1991 | /*****************************************************************************/ |
1751 | |
1992 | |
1752 | /* dummy callback for pending events */ |
1993 | /* dummy callback for pending events */ |
1753 | static void noinline |
1994 | noinline |
|
|
1995 | static void |
1754 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1996 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1755 | { |
1997 | { |
1756 | } |
1998 | } |
1757 | |
1999 | |
1758 | void noinline |
2000 | noinline |
|
|
2001 | void |
1759 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2002 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1760 | { |
2003 | { |
1761 | W w_ = (W)w; |
2004 | W w_ = (W)w; |
1762 | int pri = ABSPRI (w_); |
2005 | int pri = ABSPRI (w_); |
1763 | |
2006 | |
1764 | if (expect_false (w_->pending)) |
2007 | if (expect_false (w_->pending)) |
… | |
… | |
1825 | if (expect_true (!anfd->reify)) |
2068 | if (expect_true (!anfd->reify)) |
1826 | fd_event_nocheck (EV_A_ fd, revents); |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
1827 | } |
2070 | } |
1828 | |
2071 | |
1829 | void |
2072 | void |
1830 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2073 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1831 | { |
2074 | { |
1832 | if (fd >= 0 && fd < anfdmax) |
2075 | if (fd >= 0 && fd < anfdmax) |
1833 | fd_event_nocheck (EV_A_ fd, revents); |
2076 | fd_event_nocheck (EV_A_ fd, revents); |
1834 | } |
2077 | } |
1835 | |
2078 | |
… | |
… | |
1893 | |
2136 | |
1894 | fdchangecnt = 0; |
2137 | fdchangecnt = 0; |
1895 | } |
2138 | } |
1896 | |
2139 | |
1897 | /* something about the given fd changed */ |
2140 | /* something about the given fd changed */ |
1898 | inline_size void |
2141 | inline_size |
|
|
2142 | void |
1899 | fd_change (EV_P_ int fd, int flags) |
2143 | fd_change (EV_P_ int fd, int flags) |
1900 | { |
2144 | { |
1901 | unsigned char reify = anfds [fd].reify; |
2145 | unsigned char reify = anfds [fd].reify; |
1902 | anfds [fd].reify |= flags; |
2146 | anfds [fd].reify |= flags; |
1903 | |
2147 | |
… | |
… | |
1908 | fdchanges [fdchangecnt - 1] = fd; |
2152 | fdchanges [fdchangecnt - 1] = fd; |
1909 | } |
2153 | } |
1910 | } |
2154 | } |
1911 | |
2155 | |
1912 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2156 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1913 | inline_speed void ecb_cold |
2157 | inline_speed ecb_cold void |
1914 | fd_kill (EV_P_ int fd) |
2158 | fd_kill (EV_P_ int fd) |
1915 | { |
2159 | { |
1916 | ev_io *w; |
2160 | ev_io *w; |
1917 | |
2161 | |
1918 | while ((w = (ev_io *)anfds [fd].head)) |
2162 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1921 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2165 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1922 | } |
2166 | } |
1923 | } |
2167 | } |
1924 | |
2168 | |
1925 | /* check whether the given fd is actually valid, for error recovery */ |
2169 | /* check whether the given fd is actually valid, for error recovery */ |
1926 | inline_size int ecb_cold |
2170 | inline_size ecb_cold int |
1927 | fd_valid (int fd) |
2171 | fd_valid (int fd) |
1928 | { |
2172 | { |
1929 | #ifdef _WIN32 |
2173 | #ifdef _WIN32 |
1930 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2174 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1931 | #else |
2175 | #else |
1932 | return fcntl (fd, F_GETFD) != -1; |
2176 | return fcntl (fd, F_GETFD) != -1; |
1933 | #endif |
2177 | #endif |
1934 | } |
2178 | } |
1935 | |
2179 | |
1936 | /* called on EBADF to verify fds */ |
2180 | /* called on EBADF to verify fds */ |
1937 | static void noinline ecb_cold |
2181 | noinline ecb_cold |
|
|
2182 | static void |
1938 | fd_ebadf (EV_P) |
2183 | fd_ebadf (EV_P) |
1939 | { |
2184 | { |
1940 | int fd; |
2185 | int fd; |
1941 | |
2186 | |
1942 | for (fd = 0; fd < anfdmax; ++fd) |
2187 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1944 | if (!fd_valid (fd) && errno == EBADF) |
2189 | if (!fd_valid (fd) && errno == EBADF) |
1945 | fd_kill (EV_A_ fd); |
2190 | fd_kill (EV_A_ fd); |
1946 | } |
2191 | } |
1947 | |
2192 | |
1948 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2193 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1949 | static void noinline ecb_cold |
2194 | noinline ecb_cold |
|
|
2195 | static void |
1950 | fd_enomem (EV_P) |
2196 | fd_enomem (EV_P) |
1951 | { |
2197 | { |
1952 | int fd; |
2198 | int fd; |
1953 | |
2199 | |
1954 | for (fd = anfdmax; fd--; ) |
2200 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1958 | break; |
2204 | break; |
1959 | } |
2205 | } |
1960 | } |
2206 | } |
1961 | |
2207 | |
1962 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2208 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1963 | static void noinline |
2209 | noinline |
|
|
2210 | static void |
1964 | fd_rearm_all (EV_P) |
2211 | fd_rearm_all (EV_P) |
1965 | { |
2212 | { |
1966 | int fd; |
2213 | int fd; |
1967 | |
2214 | |
1968 | for (fd = 0; fd < anfdmax; ++fd) |
2215 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2149 | |
2396 | |
2150 | /*****************************************************************************/ |
2397 | /*****************************************************************************/ |
2151 | |
2398 | |
2152 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2399 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2153 | |
2400 | |
2154 | static void noinline ecb_cold |
2401 | noinline ecb_cold |
|
|
2402 | static void |
2155 | evpipe_init (EV_P) |
2403 | evpipe_init (EV_P) |
2156 | { |
2404 | { |
2157 | if (!ev_is_active (&pipe_w)) |
2405 | if (!ev_is_active (&pipe_w)) |
2158 | { |
2406 | { |
2159 | int fds [2]; |
2407 | int fds [2]; |
… | |
… | |
2230 | #endif |
2478 | #endif |
2231 | { |
2479 | { |
2232 | #ifdef _WIN32 |
2480 | #ifdef _WIN32 |
2233 | WSABUF buf; |
2481 | WSABUF buf; |
2234 | DWORD sent; |
2482 | DWORD sent; |
2235 | buf.buf = &buf; |
2483 | buf.buf = (char *)&buf; |
2236 | buf.len = 1; |
2484 | buf.len = 1; |
2237 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2485 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2238 | #else |
2486 | #else |
2239 | write (evpipe [1], &(evpipe [1]), 1); |
2487 | write (evpipe [1], &(evpipe [1]), 1); |
2240 | #endif |
2488 | #endif |
… | |
… | |
2312 | } |
2560 | } |
2313 | |
2561 | |
2314 | /*****************************************************************************/ |
2562 | /*****************************************************************************/ |
2315 | |
2563 | |
2316 | void |
2564 | void |
2317 | ev_feed_signal (int signum) EV_THROW |
2565 | ev_feed_signal (int signum) EV_NOEXCEPT |
2318 | { |
2566 | { |
2319 | #if EV_MULTIPLICITY |
2567 | #if EV_MULTIPLICITY |
2320 | EV_P; |
2568 | EV_P; |
2321 | ECB_MEMORY_FENCE_ACQUIRE; |
2569 | ECB_MEMORY_FENCE_ACQUIRE; |
2322 | EV_A = signals [signum - 1].loop; |
2570 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2337 | #endif |
2585 | #endif |
2338 | |
2586 | |
2339 | ev_feed_signal (signum); |
2587 | ev_feed_signal (signum); |
2340 | } |
2588 | } |
2341 | |
2589 | |
2342 | void noinline |
2590 | noinline |
|
|
2591 | void |
2343 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2592 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2344 | { |
2593 | { |
2345 | WL w; |
2594 | WL w; |
2346 | |
2595 | |
2347 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2596 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2348 | return; |
2597 | return; |
… | |
… | |
2464 | #endif |
2713 | #endif |
2465 | #if EV_USE_SELECT |
2714 | #if EV_USE_SELECT |
2466 | # include "ev_select.c" |
2715 | # include "ev_select.c" |
2467 | #endif |
2716 | #endif |
2468 | |
2717 | |
2469 | int ecb_cold |
2718 | ecb_cold int |
2470 | ev_version_major (void) EV_THROW |
2719 | ev_version_major (void) EV_NOEXCEPT |
2471 | { |
2720 | { |
2472 | return EV_VERSION_MAJOR; |
2721 | return EV_VERSION_MAJOR; |
2473 | } |
2722 | } |
2474 | |
2723 | |
2475 | int ecb_cold |
2724 | ecb_cold int |
2476 | ev_version_minor (void) EV_THROW |
2725 | ev_version_minor (void) EV_NOEXCEPT |
2477 | { |
2726 | { |
2478 | return EV_VERSION_MINOR; |
2727 | return EV_VERSION_MINOR; |
2479 | } |
2728 | } |
2480 | |
2729 | |
2481 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2730 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2482 | int inline_size ecb_cold |
2731 | inline_size ecb_cold int |
2483 | enable_secure (void) |
2732 | enable_secure (void) |
2484 | { |
2733 | { |
2485 | #ifdef _WIN32 |
2734 | #ifdef _WIN32 |
2486 | return 0; |
2735 | return 0; |
2487 | #else |
2736 | #else |
2488 | return getuid () != geteuid () |
2737 | return getuid () != geteuid () |
2489 | || getgid () != getegid (); |
2738 | || getgid () != getegid (); |
2490 | #endif |
2739 | #endif |
2491 | } |
2740 | } |
2492 | |
2741 | |
2493 | unsigned int ecb_cold |
2742 | ecb_cold |
|
|
2743 | unsigned int |
2494 | ev_supported_backends (void) EV_THROW |
2744 | ev_supported_backends (void) EV_NOEXCEPT |
2495 | { |
2745 | { |
2496 | unsigned int flags = 0; |
2746 | unsigned int flags = 0; |
2497 | |
2747 | |
2498 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2748 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2499 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2749 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2502 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2752 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2503 | |
2753 | |
2504 | return flags; |
2754 | return flags; |
2505 | } |
2755 | } |
2506 | |
2756 | |
2507 | unsigned int ecb_cold |
2757 | ecb_cold |
|
|
2758 | unsigned int |
2508 | ev_recommended_backends (void) EV_THROW |
2759 | ev_recommended_backends (void) EV_NOEXCEPT |
2509 | { |
2760 | { |
2510 | unsigned int flags = ev_supported_backends (); |
2761 | unsigned int flags = ev_supported_backends (); |
2511 | |
2762 | |
2512 | #ifndef __NetBSD__ |
2763 | #ifndef __NetBSD__ |
2513 | /* kqueue is borked on everything but netbsd apparently */ |
2764 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2524 | #endif |
2775 | #endif |
2525 | |
2776 | |
2526 | return flags; |
2777 | return flags; |
2527 | } |
2778 | } |
2528 | |
2779 | |
2529 | unsigned int ecb_cold |
2780 | ecb_cold |
|
|
2781 | unsigned int |
2530 | ev_embeddable_backends (void) EV_THROW |
2782 | ev_embeddable_backends (void) EV_NOEXCEPT |
2531 | { |
2783 | { |
2532 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2784 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2533 | |
2785 | |
2534 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2786 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2535 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2787 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2537 | |
2789 | |
2538 | return flags; |
2790 | return flags; |
2539 | } |
2791 | } |
2540 | |
2792 | |
2541 | unsigned int |
2793 | unsigned int |
2542 | ev_backend (EV_P) EV_THROW |
2794 | ev_backend (EV_P) EV_NOEXCEPT |
2543 | { |
2795 | { |
2544 | return backend; |
2796 | return backend; |
2545 | } |
2797 | } |
2546 | |
2798 | |
2547 | #if EV_FEATURE_API |
2799 | #if EV_FEATURE_API |
2548 | unsigned int |
2800 | unsigned int |
2549 | ev_iteration (EV_P) EV_THROW |
2801 | ev_iteration (EV_P) EV_NOEXCEPT |
2550 | { |
2802 | { |
2551 | return loop_count; |
2803 | return loop_count; |
2552 | } |
2804 | } |
2553 | |
2805 | |
2554 | unsigned int |
2806 | unsigned int |
2555 | ev_depth (EV_P) EV_THROW |
2807 | ev_depth (EV_P) EV_NOEXCEPT |
2556 | { |
2808 | { |
2557 | return loop_depth; |
2809 | return loop_depth; |
2558 | } |
2810 | } |
2559 | |
2811 | |
2560 | void |
2812 | void |
2561 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2813 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2562 | { |
2814 | { |
2563 | io_blocktime = interval; |
2815 | io_blocktime = interval; |
2564 | } |
2816 | } |
2565 | |
2817 | |
2566 | void |
2818 | void |
2567 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2819 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2568 | { |
2820 | { |
2569 | timeout_blocktime = interval; |
2821 | timeout_blocktime = interval; |
2570 | } |
2822 | } |
2571 | |
2823 | |
2572 | void |
2824 | void |
2573 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2825 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2574 | { |
2826 | { |
2575 | userdata = data; |
2827 | userdata = data; |
2576 | } |
2828 | } |
2577 | |
2829 | |
2578 | void * |
2830 | void * |
2579 | ev_userdata (EV_P) EV_THROW |
2831 | ev_userdata (EV_P) EV_NOEXCEPT |
2580 | { |
2832 | { |
2581 | return userdata; |
2833 | return userdata; |
2582 | } |
2834 | } |
2583 | |
2835 | |
2584 | void |
2836 | void |
2585 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2837 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2586 | { |
2838 | { |
2587 | invoke_cb = invoke_pending_cb; |
2839 | invoke_cb = invoke_pending_cb; |
2588 | } |
2840 | } |
2589 | |
2841 | |
2590 | void |
2842 | void |
2591 | ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW |
2843 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2592 | { |
2844 | { |
2593 | release_cb = release; |
2845 | release_cb = release; |
2594 | acquire_cb = acquire; |
2846 | acquire_cb = acquire; |
2595 | } |
2847 | } |
2596 | #endif |
2848 | #endif |
2597 | |
2849 | |
2598 | /* initialise a loop structure, must be zero-initialised */ |
2850 | /* initialise a loop structure, must be zero-initialised */ |
2599 | static void noinline ecb_cold |
2851 | noinline ecb_cold |
|
|
2852 | static void |
2600 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2853 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2601 | { |
2854 | { |
2602 | if (!backend) |
2855 | if (!backend) |
2603 | { |
2856 | { |
2604 | origflags = flags; |
2857 | origflags = flags; |
2605 | |
2858 | |
… | |
… | |
2691 | #endif |
2944 | #endif |
2692 | } |
2945 | } |
2693 | } |
2946 | } |
2694 | |
2947 | |
2695 | /* free up a loop structure */ |
2948 | /* free up a loop structure */ |
2696 | void ecb_cold |
2949 | ecb_cold |
|
|
2950 | void |
2697 | ev_loop_destroy (EV_P) |
2951 | ev_loop_destroy (EV_P) |
2698 | { |
2952 | { |
2699 | int i; |
2953 | int i; |
2700 | |
2954 | |
2701 | #if EV_MULTIPLICITY |
2955 | #if EV_MULTIPLICITY |
… | |
… | |
2822 | #if EV_USE_INOTIFY |
3076 | #if EV_USE_INOTIFY |
2823 | infy_fork (EV_A); |
3077 | infy_fork (EV_A); |
2824 | #endif |
3078 | #endif |
2825 | |
3079 | |
2826 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3080 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2827 | if (ev_is_active (&pipe_w)) |
3081 | if (ev_is_active (&pipe_w) && postfork != 2) |
2828 | { |
3082 | { |
2829 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3083 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2830 | |
3084 | |
2831 | ev_ref (EV_A); |
3085 | ev_ref (EV_A); |
2832 | ev_io_stop (EV_A_ &pipe_w); |
3086 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2843 | postfork = 0; |
3097 | postfork = 0; |
2844 | } |
3098 | } |
2845 | |
3099 | |
2846 | #if EV_MULTIPLICITY |
3100 | #if EV_MULTIPLICITY |
2847 | |
3101 | |
|
|
3102 | ecb_cold |
2848 | struct ev_loop * ecb_cold |
3103 | struct ev_loop * |
2849 | ev_loop_new (unsigned int flags) EV_THROW |
3104 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2850 | { |
3105 | { |
2851 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3106 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2852 | |
3107 | |
2853 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3108 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2854 | loop_init (EV_A_ flags); |
3109 | loop_init (EV_A_ flags); |
… | |
… | |
2861 | } |
3116 | } |
2862 | |
3117 | |
2863 | #endif /* multiplicity */ |
3118 | #endif /* multiplicity */ |
2864 | |
3119 | |
2865 | #if EV_VERIFY |
3120 | #if EV_VERIFY |
2866 | static void noinline ecb_cold |
3121 | noinline ecb_cold |
|
|
3122 | static void |
2867 | verify_watcher (EV_P_ W w) |
3123 | verify_watcher (EV_P_ W w) |
2868 | { |
3124 | { |
2869 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3125 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2870 | |
3126 | |
2871 | if (w->pending) |
3127 | if (w->pending) |
2872 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3128 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2873 | } |
3129 | } |
2874 | |
3130 | |
2875 | static void noinline ecb_cold |
3131 | noinline ecb_cold |
|
|
3132 | static void |
2876 | verify_heap (EV_P_ ANHE *heap, int N) |
3133 | verify_heap (EV_P_ ANHE *heap, int N) |
2877 | { |
3134 | { |
2878 | int i; |
3135 | int i; |
2879 | |
3136 | |
2880 | for (i = HEAP0; i < N + HEAP0; ++i) |
3137 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2885 | |
3142 | |
2886 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3143 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2887 | } |
3144 | } |
2888 | } |
3145 | } |
2889 | |
3146 | |
2890 | static void noinline ecb_cold |
3147 | noinline ecb_cold |
|
|
3148 | static void |
2891 | array_verify (EV_P_ W *ws, int cnt) |
3149 | array_verify (EV_P_ W *ws, int cnt) |
2892 | { |
3150 | { |
2893 | while (cnt--) |
3151 | while (cnt--) |
2894 | { |
3152 | { |
2895 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3153 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2898 | } |
3156 | } |
2899 | #endif |
3157 | #endif |
2900 | |
3158 | |
2901 | #if EV_FEATURE_API |
3159 | #if EV_FEATURE_API |
2902 | void ecb_cold |
3160 | void ecb_cold |
2903 | ev_verify (EV_P) EV_THROW |
3161 | ev_verify (EV_P) EV_NOEXCEPT |
2904 | { |
3162 | { |
2905 | #if EV_VERIFY |
3163 | #if EV_VERIFY |
2906 | int i; |
3164 | int i; |
2907 | WL w, w2; |
3165 | WL w, w2; |
2908 | |
3166 | |
… | |
… | |
2984 | #endif |
3242 | #endif |
2985 | } |
3243 | } |
2986 | #endif |
3244 | #endif |
2987 | |
3245 | |
2988 | #if EV_MULTIPLICITY |
3246 | #if EV_MULTIPLICITY |
|
|
3247 | ecb_cold |
2989 | struct ev_loop * ecb_cold |
3248 | struct ev_loop * |
2990 | #else |
3249 | #else |
2991 | int |
3250 | int |
2992 | #endif |
3251 | #endif |
2993 | ev_default_loop (unsigned int flags) EV_THROW |
3252 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2994 | { |
3253 | { |
2995 | if (!ev_default_loop_ptr) |
3254 | if (!ev_default_loop_ptr) |
2996 | { |
3255 | { |
2997 | #if EV_MULTIPLICITY |
3256 | #if EV_MULTIPLICITY |
2998 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3257 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3017 | |
3276 | |
3018 | return ev_default_loop_ptr; |
3277 | return ev_default_loop_ptr; |
3019 | } |
3278 | } |
3020 | |
3279 | |
3021 | void |
3280 | void |
3022 | ev_loop_fork (EV_P) EV_THROW |
3281 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3023 | { |
3282 | { |
3024 | postfork = 1; |
3283 | postfork = 1; |
3025 | } |
3284 | } |
3026 | |
3285 | |
3027 | /*****************************************************************************/ |
3286 | /*****************************************************************************/ |
… | |
… | |
3031 | { |
3290 | { |
3032 | EV_CB_INVOKE ((W)w, revents); |
3291 | EV_CB_INVOKE ((W)w, revents); |
3033 | } |
3292 | } |
3034 | |
3293 | |
3035 | unsigned int |
3294 | unsigned int |
3036 | ev_pending_count (EV_P) EV_THROW |
3295 | ev_pending_count (EV_P) EV_NOEXCEPT |
3037 | { |
3296 | { |
3038 | int pri; |
3297 | int pri; |
3039 | unsigned int count = 0; |
3298 | unsigned int count = 0; |
3040 | |
3299 | |
3041 | for (pri = NUMPRI; pri--; ) |
3300 | for (pri = NUMPRI; pri--; ) |
3042 | count += pendingcnt [pri]; |
3301 | count += pendingcnt [pri]; |
3043 | |
3302 | |
3044 | return count; |
3303 | return count; |
3045 | } |
3304 | } |
3046 | |
3305 | |
3047 | void noinline |
3306 | noinline |
|
|
3307 | void |
3048 | ev_invoke_pending (EV_P) |
3308 | ev_invoke_pending (EV_P) |
3049 | { |
3309 | { |
3050 | pendingpri = NUMPRI; |
3310 | pendingpri = NUMPRI; |
3051 | |
3311 | |
3052 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3312 | do |
3053 | { |
3313 | { |
3054 | --pendingpri; |
3314 | --pendingpri; |
3055 | |
3315 | |
|
|
3316 | /* pendingpri possibly gets modified in the inner loop */ |
3056 | while (pendingcnt [pendingpri]) |
3317 | while (pendingcnt [pendingpri]) |
3057 | { |
3318 | { |
3058 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3319 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3059 | |
3320 | |
3060 | p->w->pending = 0; |
3321 | p->w->pending = 0; |
3061 | EV_CB_INVOKE (p->w, p->events); |
3322 | EV_CB_INVOKE (p->w, p->events); |
3062 | EV_FREQUENT_CHECK; |
3323 | EV_FREQUENT_CHECK; |
3063 | } |
3324 | } |
3064 | } |
3325 | } |
|
|
3326 | while (pendingpri); |
3065 | } |
3327 | } |
3066 | |
3328 | |
3067 | #if EV_IDLE_ENABLE |
3329 | #if EV_IDLE_ENABLE |
3068 | /* make idle watchers pending. this handles the "call-idle */ |
3330 | /* make idle watchers pending. this handles the "call-idle */ |
3069 | /* only when higher priorities are idle" logic */ |
3331 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3127 | } |
3389 | } |
3128 | } |
3390 | } |
3129 | |
3391 | |
3130 | #if EV_PERIODIC_ENABLE |
3392 | #if EV_PERIODIC_ENABLE |
3131 | |
3393 | |
3132 | static void noinline |
3394 | noinline |
|
|
3395 | static void |
3133 | periodic_recalc (EV_P_ ev_periodic *w) |
3396 | periodic_recalc (EV_P_ ev_periodic *w) |
3134 | { |
3397 | { |
3135 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3398 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3136 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3399 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3137 | |
3400 | |
… | |
… | |
3195 | } |
3458 | } |
3196 | } |
3459 | } |
3197 | |
3460 | |
3198 | /* simply recalculate all periodics */ |
3461 | /* simply recalculate all periodics */ |
3199 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3462 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3200 | static void noinline ecb_cold |
3463 | noinline ecb_cold |
|
|
3464 | static void |
3201 | periodics_reschedule (EV_P) |
3465 | periodics_reschedule (EV_P) |
3202 | { |
3466 | { |
3203 | int i; |
3467 | int i; |
3204 | |
3468 | |
3205 | /* adjust periodics after time jump */ |
3469 | /* adjust periodics after time jump */ |
… | |
… | |
3218 | reheap (periodics, periodiccnt); |
3482 | reheap (periodics, periodiccnt); |
3219 | } |
3483 | } |
3220 | #endif |
3484 | #endif |
3221 | |
3485 | |
3222 | /* adjust all timers by a given offset */ |
3486 | /* adjust all timers by a given offset */ |
3223 | static void noinline ecb_cold |
3487 | noinline ecb_cold |
|
|
3488 | static void |
3224 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3489 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3225 | { |
3490 | { |
3226 | int i; |
3491 | int i; |
3227 | |
3492 | |
3228 | for (i = 0; i < timercnt; ++i) |
3493 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3475 | |
3740 | |
3476 | return activecnt; |
3741 | return activecnt; |
3477 | } |
3742 | } |
3478 | |
3743 | |
3479 | void |
3744 | void |
3480 | ev_break (EV_P_ int how) EV_THROW |
3745 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3481 | { |
3746 | { |
3482 | loop_done = how; |
3747 | loop_done = how; |
3483 | } |
3748 | } |
3484 | |
3749 | |
3485 | void |
3750 | void |
3486 | ev_ref (EV_P) EV_THROW |
3751 | ev_ref (EV_P) EV_NOEXCEPT |
3487 | { |
3752 | { |
3488 | ++activecnt; |
3753 | ++activecnt; |
3489 | } |
3754 | } |
3490 | |
3755 | |
3491 | void |
3756 | void |
3492 | ev_unref (EV_P) EV_THROW |
3757 | ev_unref (EV_P) EV_NOEXCEPT |
3493 | { |
3758 | { |
3494 | --activecnt; |
3759 | --activecnt; |
3495 | } |
3760 | } |
3496 | |
3761 | |
3497 | void |
3762 | void |
3498 | ev_now_update (EV_P) EV_THROW |
3763 | ev_now_update (EV_P) EV_NOEXCEPT |
3499 | { |
3764 | { |
3500 | time_update (EV_A_ 1e100); |
3765 | time_update (EV_A_ 1e100); |
3501 | } |
3766 | } |
3502 | |
3767 | |
3503 | void |
3768 | void |
3504 | ev_suspend (EV_P) EV_THROW |
3769 | ev_suspend (EV_P) EV_NOEXCEPT |
3505 | { |
3770 | { |
3506 | ev_now_update (EV_A); |
3771 | ev_now_update (EV_A); |
3507 | } |
3772 | } |
3508 | |
3773 | |
3509 | void |
3774 | void |
3510 | ev_resume (EV_P) EV_THROW |
3775 | ev_resume (EV_P) EV_NOEXCEPT |
3511 | { |
3776 | { |
3512 | ev_tstamp mn_prev = mn_now; |
3777 | ev_tstamp mn_prev = mn_now; |
3513 | |
3778 | |
3514 | ev_now_update (EV_A); |
3779 | ev_now_update (EV_A); |
3515 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3780 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3554 | w->pending = 0; |
3819 | w->pending = 0; |
3555 | } |
3820 | } |
3556 | } |
3821 | } |
3557 | |
3822 | |
3558 | int |
3823 | int |
3559 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3824 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3560 | { |
3825 | { |
3561 | W w_ = (W)w; |
3826 | W w_ = (W)w; |
3562 | int pending = w_->pending; |
3827 | int pending = w_->pending; |
3563 | |
3828 | |
3564 | if (expect_true (pending)) |
3829 | if (expect_true (pending)) |
… | |
… | |
3596 | w->active = 0; |
3861 | w->active = 0; |
3597 | } |
3862 | } |
3598 | |
3863 | |
3599 | /*****************************************************************************/ |
3864 | /*****************************************************************************/ |
3600 | |
3865 | |
3601 | void noinline |
3866 | noinline |
|
|
3867 | void |
3602 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3868 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3603 | { |
3869 | { |
3604 | int fd = w->fd; |
3870 | int fd = w->fd; |
3605 | |
3871 | |
3606 | if (expect_false (ev_is_active (w))) |
3872 | if (expect_false (ev_is_active (w))) |
3607 | return; |
3873 | return; |
… | |
… | |
3622 | w->events &= ~EV__IOFDSET; |
3888 | w->events &= ~EV__IOFDSET; |
3623 | |
3889 | |
3624 | EV_FREQUENT_CHECK; |
3890 | EV_FREQUENT_CHECK; |
3625 | } |
3891 | } |
3626 | |
3892 | |
3627 | void noinline |
3893 | noinline |
|
|
3894 | void |
3628 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3895 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3629 | { |
3896 | { |
3630 | clear_pending (EV_A_ (W)w); |
3897 | clear_pending (EV_A_ (W)w); |
3631 | if (expect_false (!ev_is_active (w))) |
3898 | if (expect_false (!ev_is_active (w))) |
3632 | return; |
3899 | return; |
3633 | |
3900 | |
… | |
… | |
3641 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3908 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3642 | |
3909 | |
3643 | EV_FREQUENT_CHECK; |
3910 | EV_FREQUENT_CHECK; |
3644 | } |
3911 | } |
3645 | |
3912 | |
3646 | void noinline |
3913 | noinline |
|
|
3914 | void |
3647 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3915 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3648 | { |
3916 | { |
3649 | if (expect_false (ev_is_active (w))) |
3917 | if (expect_false (ev_is_active (w))) |
3650 | return; |
3918 | return; |
3651 | |
3919 | |
3652 | ev_at (w) += mn_now; |
3920 | ev_at (w) += mn_now; |
… | |
… | |
3665 | EV_FREQUENT_CHECK; |
3933 | EV_FREQUENT_CHECK; |
3666 | |
3934 | |
3667 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3935 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3668 | } |
3936 | } |
3669 | |
3937 | |
3670 | void noinline |
3938 | noinline |
|
|
3939 | void |
3671 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3940 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3672 | { |
3941 | { |
3673 | clear_pending (EV_A_ (W)w); |
3942 | clear_pending (EV_A_ (W)w); |
3674 | if (expect_false (!ev_is_active (w))) |
3943 | if (expect_false (!ev_is_active (w))) |
3675 | return; |
3944 | return; |
3676 | |
3945 | |
… | |
… | |
3695 | ev_stop (EV_A_ (W)w); |
3964 | ev_stop (EV_A_ (W)w); |
3696 | |
3965 | |
3697 | EV_FREQUENT_CHECK; |
3966 | EV_FREQUENT_CHECK; |
3698 | } |
3967 | } |
3699 | |
3968 | |
3700 | void noinline |
3969 | noinline |
|
|
3970 | void |
3701 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3971 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3702 | { |
3972 | { |
3703 | EV_FREQUENT_CHECK; |
3973 | EV_FREQUENT_CHECK; |
3704 | |
3974 | |
3705 | clear_pending (EV_A_ (W)w); |
3975 | clear_pending (EV_A_ (W)w); |
3706 | |
3976 | |
… | |
… | |
3723 | |
3993 | |
3724 | EV_FREQUENT_CHECK; |
3994 | EV_FREQUENT_CHECK; |
3725 | } |
3995 | } |
3726 | |
3996 | |
3727 | ev_tstamp |
3997 | ev_tstamp |
3728 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3998 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3729 | { |
3999 | { |
3730 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4000 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3731 | } |
4001 | } |
3732 | |
4002 | |
3733 | #if EV_PERIODIC_ENABLE |
4003 | #if EV_PERIODIC_ENABLE |
3734 | void noinline |
4004 | noinline |
|
|
4005 | void |
3735 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4006 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3736 | { |
4007 | { |
3737 | if (expect_false (ev_is_active (w))) |
4008 | if (expect_false (ev_is_active (w))) |
3738 | return; |
4009 | return; |
3739 | |
4010 | |
3740 | if (w->reschedule_cb) |
4011 | if (w->reschedule_cb) |
… | |
… | |
3759 | EV_FREQUENT_CHECK; |
4030 | EV_FREQUENT_CHECK; |
3760 | |
4031 | |
3761 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4032 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3762 | } |
4033 | } |
3763 | |
4034 | |
3764 | void noinline |
4035 | noinline |
|
|
4036 | void |
3765 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4037 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3766 | { |
4038 | { |
3767 | clear_pending (EV_A_ (W)w); |
4039 | clear_pending (EV_A_ (W)w); |
3768 | if (expect_false (!ev_is_active (w))) |
4040 | if (expect_false (!ev_is_active (w))) |
3769 | return; |
4041 | return; |
3770 | |
4042 | |
… | |
… | |
3787 | ev_stop (EV_A_ (W)w); |
4059 | ev_stop (EV_A_ (W)w); |
3788 | |
4060 | |
3789 | EV_FREQUENT_CHECK; |
4061 | EV_FREQUENT_CHECK; |
3790 | } |
4062 | } |
3791 | |
4063 | |
3792 | void noinline |
4064 | noinline |
|
|
4065 | void |
3793 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4066 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3794 | { |
4067 | { |
3795 | /* TODO: use adjustheap and recalculation */ |
4068 | /* TODO: use adjustheap and recalculation */ |
3796 | ev_periodic_stop (EV_A_ w); |
4069 | ev_periodic_stop (EV_A_ w); |
3797 | ev_periodic_start (EV_A_ w); |
4070 | ev_periodic_start (EV_A_ w); |
3798 | } |
4071 | } |
… | |
… | |
3802 | # define SA_RESTART 0 |
4075 | # define SA_RESTART 0 |
3803 | #endif |
4076 | #endif |
3804 | |
4077 | |
3805 | #if EV_SIGNAL_ENABLE |
4078 | #if EV_SIGNAL_ENABLE |
3806 | |
4079 | |
3807 | void noinline |
4080 | noinline |
|
|
4081 | void |
3808 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4082 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3809 | { |
4083 | { |
3810 | if (expect_false (ev_is_active (w))) |
4084 | if (expect_false (ev_is_active (w))) |
3811 | return; |
4085 | return; |
3812 | |
4086 | |
3813 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4087 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3884 | } |
4158 | } |
3885 | |
4159 | |
3886 | EV_FREQUENT_CHECK; |
4160 | EV_FREQUENT_CHECK; |
3887 | } |
4161 | } |
3888 | |
4162 | |
3889 | void noinline |
4163 | noinline |
|
|
4164 | void |
3890 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4165 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3891 | { |
4166 | { |
3892 | clear_pending (EV_A_ (W)w); |
4167 | clear_pending (EV_A_ (W)w); |
3893 | if (expect_false (!ev_is_active (w))) |
4168 | if (expect_false (!ev_is_active (w))) |
3894 | return; |
4169 | return; |
3895 | |
4170 | |
… | |
… | |
3926 | #endif |
4201 | #endif |
3927 | |
4202 | |
3928 | #if EV_CHILD_ENABLE |
4203 | #if EV_CHILD_ENABLE |
3929 | |
4204 | |
3930 | void |
4205 | void |
3931 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4206 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3932 | { |
4207 | { |
3933 | #if EV_MULTIPLICITY |
4208 | #if EV_MULTIPLICITY |
3934 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4209 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3935 | #endif |
4210 | #endif |
3936 | if (expect_false (ev_is_active (w))) |
4211 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3943 | |
4218 | |
3944 | EV_FREQUENT_CHECK; |
4219 | EV_FREQUENT_CHECK; |
3945 | } |
4220 | } |
3946 | |
4221 | |
3947 | void |
4222 | void |
3948 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4223 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3949 | { |
4224 | { |
3950 | clear_pending (EV_A_ (W)w); |
4225 | clear_pending (EV_A_ (W)w); |
3951 | if (expect_false (!ev_is_active (w))) |
4226 | if (expect_false (!ev_is_active (w))) |
3952 | return; |
4227 | return; |
3953 | |
4228 | |
… | |
… | |
3970 | |
4245 | |
3971 | #define DEF_STAT_INTERVAL 5.0074891 |
4246 | #define DEF_STAT_INTERVAL 5.0074891 |
3972 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4247 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3973 | #define MIN_STAT_INTERVAL 0.1074891 |
4248 | #define MIN_STAT_INTERVAL 0.1074891 |
3974 | |
4249 | |
3975 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4250 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3976 | |
4251 | |
3977 | #if EV_USE_INOTIFY |
4252 | #if EV_USE_INOTIFY |
3978 | |
4253 | |
3979 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4254 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3980 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4255 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3981 | |
4256 | |
3982 | static void noinline |
4257 | noinline |
|
|
4258 | static void |
3983 | infy_add (EV_P_ ev_stat *w) |
4259 | infy_add (EV_P_ ev_stat *w) |
3984 | { |
4260 | { |
3985 | w->wd = inotify_add_watch (fs_fd, w->path, |
4261 | w->wd = inotify_add_watch (fs_fd, w->path, |
3986 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4262 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3987 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4263 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4051 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4327 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4052 | ev_timer_again (EV_A_ &w->timer); |
4328 | ev_timer_again (EV_A_ &w->timer); |
4053 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4329 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4054 | } |
4330 | } |
4055 | |
4331 | |
4056 | static void noinline |
4332 | noinline |
|
|
4333 | static void |
4057 | infy_del (EV_P_ ev_stat *w) |
4334 | infy_del (EV_P_ ev_stat *w) |
4058 | { |
4335 | { |
4059 | int slot; |
4336 | int slot; |
4060 | int wd = w->wd; |
4337 | int wd = w->wd; |
4061 | |
4338 | |
… | |
… | |
4068 | |
4345 | |
4069 | /* remove this watcher, if others are watching it, they will rearm */ |
4346 | /* remove this watcher, if others are watching it, they will rearm */ |
4070 | inotify_rm_watch (fs_fd, wd); |
4347 | inotify_rm_watch (fs_fd, wd); |
4071 | } |
4348 | } |
4072 | |
4349 | |
4073 | static void noinline |
4350 | noinline |
|
|
4351 | static void |
4074 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4352 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4075 | { |
4353 | { |
4076 | if (slot < 0) |
4354 | if (slot < 0) |
4077 | /* overflow, need to check for all hash slots */ |
4355 | /* overflow, need to check for all hash slots */ |
4078 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4356 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4114 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4392 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4115 | ofs += sizeof (struct inotify_event) + ev->len; |
4393 | ofs += sizeof (struct inotify_event) + ev->len; |
4116 | } |
4394 | } |
4117 | } |
4395 | } |
4118 | |
4396 | |
4119 | inline_size void ecb_cold |
4397 | inline_size ecb_cold |
|
|
4398 | void |
4120 | ev_check_2625 (EV_P) |
4399 | ev_check_2625 (EV_P) |
4121 | { |
4400 | { |
4122 | /* kernels < 2.6.25 are borked |
4401 | /* kernels < 2.6.25 are borked |
4123 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4402 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4124 | */ |
4403 | */ |
… | |
… | |
4214 | #else |
4493 | #else |
4215 | # define EV_LSTAT(p,b) lstat (p, b) |
4494 | # define EV_LSTAT(p,b) lstat (p, b) |
4216 | #endif |
4495 | #endif |
4217 | |
4496 | |
4218 | void |
4497 | void |
4219 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4498 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4220 | { |
4499 | { |
4221 | if (lstat (w->path, &w->attr) < 0) |
4500 | if (lstat (w->path, &w->attr) < 0) |
4222 | w->attr.st_nlink = 0; |
4501 | w->attr.st_nlink = 0; |
4223 | else if (!w->attr.st_nlink) |
4502 | else if (!w->attr.st_nlink) |
4224 | w->attr.st_nlink = 1; |
4503 | w->attr.st_nlink = 1; |
4225 | } |
4504 | } |
4226 | |
4505 | |
4227 | static void noinline |
4506 | noinline |
|
|
4507 | static void |
4228 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4508 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4229 | { |
4509 | { |
4230 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4510 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4231 | |
4511 | |
4232 | ev_statdata prev = w->attr; |
4512 | ev_statdata prev = w->attr; |
… | |
… | |
4263 | ev_feed_event (EV_A_ w, EV_STAT); |
4543 | ev_feed_event (EV_A_ w, EV_STAT); |
4264 | } |
4544 | } |
4265 | } |
4545 | } |
4266 | |
4546 | |
4267 | void |
4547 | void |
4268 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4548 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4269 | { |
4549 | { |
4270 | if (expect_false (ev_is_active (w))) |
4550 | if (expect_false (ev_is_active (w))) |
4271 | return; |
4551 | return; |
4272 | |
4552 | |
4273 | ev_stat_stat (EV_A_ w); |
4553 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4294 | |
4574 | |
4295 | EV_FREQUENT_CHECK; |
4575 | EV_FREQUENT_CHECK; |
4296 | } |
4576 | } |
4297 | |
4577 | |
4298 | void |
4578 | void |
4299 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4579 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4300 | { |
4580 | { |
4301 | clear_pending (EV_A_ (W)w); |
4581 | clear_pending (EV_A_ (W)w); |
4302 | if (expect_false (!ev_is_active (w))) |
4582 | if (expect_false (!ev_is_active (w))) |
4303 | return; |
4583 | return; |
4304 | |
4584 | |
… | |
… | |
4320 | } |
4600 | } |
4321 | #endif |
4601 | #endif |
4322 | |
4602 | |
4323 | #if EV_IDLE_ENABLE |
4603 | #if EV_IDLE_ENABLE |
4324 | void |
4604 | void |
4325 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4605 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4326 | { |
4606 | { |
4327 | if (expect_false (ev_is_active (w))) |
4607 | if (expect_false (ev_is_active (w))) |
4328 | return; |
4608 | return; |
4329 | |
4609 | |
4330 | pri_adjust (EV_A_ (W)w); |
4610 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4343 | |
4623 | |
4344 | EV_FREQUENT_CHECK; |
4624 | EV_FREQUENT_CHECK; |
4345 | } |
4625 | } |
4346 | |
4626 | |
4347 | void |
4627 | void |
4348 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4628 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4349 | { |
4629 | { |
4350 | clear_pending (EV_A_ (W)w); |
4630 | clear_pending (EV_A_ (W)w); |
4351 | if (expect_false (!ev_is_active (w))) |
4631 | if (expect_false (!ev_is_active (w))) |
4352 | return; |
4632 | return; |
4353 | |
4633 | |
… | |
… | |
4367 | } |
4647 | } |
4368 | #endif |
4648 | #endif |
4369 | |
4649 | |
4370 | #if EV_PREPARE_ENABLE |
4650 | #if EV_PREPARE_ENABLE |
4371 | void |
4651 | void |
4372 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4652 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4373 | { |
4653 | { |
4374 | if (expect_false (ev_is_active (w))) |
4654 | if (expect_false (ev_is_active (w))) |
4375 | return; |
4655 | return; |
4376 | |
4656 | |
4377 | EV_FREQUENT_CHECK; |
4657 | EV_FREQUENT_CHECK; |
… | |
… | |
4382 | |
4662 | |
4383 | EV_FREQUENT_CHECK; |
4663 | EV_FREQUENT_CHECK; |
4384 | } |
4664 | } |
4385 | |
4665 | |
4386 | void |
4666 | void |
4387 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4667 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4388 | { |
4668 | { |
4389 | clear_pending (EV_A_ (W)w); |
4669 | clear_pending (EV_A_ (W)w); |
4390 | if (expect_false (!ev_is_active (w))) |
4670 | if (expect_false (!ev_is_active (w))) |
4391 | return; |
4671 | return; |
4392 | |
4672 | |
… | |
… | |
4405 | } |
4685 | } |
4406 | #endif |
4686 | #endif |
4407 | |
4687 | |
4408 | #if EV_CHECK_ENABLE |
4688 | #if EV_CHECK_ENABLE |
4409 | void |
4689 | void |
4410 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4690 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4411 | { |
4691 | { |
4412 | if (expect_false (ev_is_active (w))) |
4692 | if (expect_false (ev_is_active (w))) |
4413 | return; |
4693 | return; |
4414 | |
4694 | |
4415 | EV_FREQUENT_CHECK; |
4695 | EV_FREQUENT_CHECK; |
… | |
… | |
4420 | |
4700 | |
4421 | EV_FREQUENT_CHECK; |
4701 | EV_FREQUENT_CHECK; |
4422 | } |
4702 | } |
4423 | |
4703 | |
4424 | void |
4704 | void |
4425 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4705 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4426 | { |
4706 | { |
4427 | clear_pending (EV_A_ (W)w); |
4707 | clear_pending (EV_A_ (W)w); |
4428 | if (expect_false (!ev_is_active (w))) |
4708 | if (expect_false (!ev_is_active (w))) |
4429 | return; |
4709 | return; |
4430 | |
4710 | |
… | |
… | |
4442 | EV_FREQUENT_CHECK; |
4722 | EV_FREQUENT_CHECK; |
4443 | } |
4723 | } |
4444 | #endif |
4724 | #endif |
4445 | |
4725 | |
4446 | #if EV_EMBED_ENABLE |
4726 | #if EV_EMBED_ENABLE |
4447 | void noinline |
4727 | noinline |
|
|
4728 | void |
4448 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4729 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4449 | { |
4730 | { |
4450 | ev_run (w->other, EVRUN_NOWAIT); |
4731 | ev_run (w->other, EVRUN_NOWAIT); |
4451 | } |
4732 | } |
4452 | |
4733 | |
4453 | static void |
4734 | static void |
… | |
… | |
4501 | ev_idle_stop (EV_A_ idle); |
4782 | ev_idle_stop (EV_A_ idle); |
4502 | } |
4783 | } |
4503 | #endif |
4784 | #endif |
4504 | |
4785 | |
4505 | void |
4786 | void |
4506 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4787 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4507 | { |
4788 | { |
4508 | if (expect_false (ev_is_active (w))) |
4789 | if (expect_false (ev_is_active (w))) |
4509 | return; |
4790 | return; |
4510 | |
4791 | |
4511 | { |
4792 | { |
… | |
… | |
4532 | |
4813 | |
4533 | EV_FREQUENT_CHECK; |
4814 | EV_FREQUENT_CHECK; |
4534 | } |
4815 | } |
4535 | |
4816 | |
4536 | void |
4817 | void |
4537 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4818 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4538 | { |
4819 | { |
4539 | clear_pending (EV_A_ (W)w); |
4820 | clear_pending (EV_A_ (W)w); |
4540 | if (expect_false (!ev_is_active (w))) |
4821 | if (expect_false (!ev_is_active (w))) |
4541 | return; |
4822 | return; |
4542 | |
4823 | |
… | |
… | |
4552 | } |
4833 | } |
4553 | #endif |
4834 | #endif |
4554 | |
4835 | |
4555 | #if EV_FORK_ENABLE |
4836 | #if EV_FORK_ENABLE |
4556 | void |
4837 | void |
4557 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4838 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4558 | { |
4839 | { |
4559 | if (expect_false (ev_is_active (w))) |
4840 | if (expect_false (ev_is_active (w))) |
4560 | return; |
4841 | return; |
4561 | |
4842 | |
4562 | EV_FREQUENT_CHECK; |
4843 | EV_FREQUENT_CHECK; |
… | |
… | |
4567 | |
4848 | |
4568 | EV_FREQUENT_CHECK; |
4849 | EV_FREQUENT_CHECK; |
4569 | } |
4850 | } |
4570 | |
4851 | |
4571 | void |
4852 | void |
4572 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4853 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4573 | { |
4854 | { |
4574 | clear_pending (EV_A_ (W)w); |
4855 | clear_pending (EV_A_ (W)w); |
4575 | if (expect_false (!ev_is_active (w))) |
4856 | if (expect_false (!ev_is_active (w))) |
4576 | return; |
4857 | return; |
4577 | |
4858 | |
… | |
… | |
4590 | } |
4871 | } |
4591 | #endif |
4872 | #endif |
4592 | |
4873 | |
4593 | #if EV_CLEANUP_ENABLE |
4874 | #if EV_CLEANUP_ENABLE |
4594 | void |
4875 | void |
4595 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4876 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4596 | { |
4877 | { |
4597 | if (expect_false (ev_is_active (w))) |
4878 | if (expect_false (ev_is_active (w))) |
4598 | return; |
4879 | return; |
4599 | |
4880 | |
4600 | EV_FREQUENT_CHECK; |
4881 | EV_FREQUENT_CHECK; |
… | |
… | |
4607 | ev_unref (EV_A); |
4888 | ev_unref (EV_A); |
4608 | EV_FREQUENT_CHECK; |
4889 | EV_FREQUENT_CHECK; |
4609 | } |
4890 | } |
4610 | |
4891 | |
4611 | void |
4892 | void |
4612 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4893 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4613 | { |
4894 | { |
4614 | clear_pending (EV_A_ (W)w); |
4895 | clear_pending (EV_A_ (W)w); |
4615 | if (expect_false (!ev_is_active (w))) |
4896 | if (expect_false (!ev_is_active (w))) |
4616 | return; |
4897 | return; |
4617 | |
4898 | |
… | |
… | |
4631 | } |
4912 | } |
4632 | #endif |
4913 | #endif |
4633 | |
4914 | |
4634 | #if EV_ASYNC_ENABLE |
4915 | #if EV_ASYNC_ENABLE |
4635 | void |
4916 | void |
4636 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4917 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4637 | { |
4918 | { |
4638 | if (expect_false (ev_is_active (w))) |
4919 | if (expect_false (ev_is_active (w))) |
4639 | return; |
4920 | return; |
4640 | |
4921 | |
4641 | w->sent = 0; |
4922 | w->sent = 0; |
… | |
… | |
4650 | |
4931 | |
4651 | EV_FREQUENT_CHECK; |
4932 | EV_FREQUENT_CHECK; |
4652 | } |
4933 | } |
4653 | |
4934 | |
4654 | void |
4935 | void |
4655 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4936 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4656 | { |
4937 | { |
4657 | clear_pending (EV_A_ (W)w); |
4938 | clear_pending (EV_A_ (W)w); |
4658 | if (expect_false (!ev_is_active (w))) |
4939 | if (expect_false (!ev_is_active (w))) |
4659 | return; |
4940 | return; |
4660 | |
4941 | |
… | |
… | |
4671 | |
4952 | |
4672 | EV_FREQUENT_CHECK; |
4953 | EV_FREQUENT_CHECK; |
4673 | } |
4954 | } |
4674 | |
4955 | |
4675 | void |
4956 | void |
4676 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4957 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4677 | { |
4958 | { |
4678 | w->sent = 1; |
4959 | w->sent = 1; |
4679 | evpipe_write (EV_A_ &async_pending); |
4960 | evpipe_write (EV_A_ &async_pending); |
4680 | } |
4961 | } |
4681 | #endif |
4962 | #endif |
… | |
… | |
4718 | |
4999 | |
4719 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5000 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4720 | } |
5001 | } |
4721 | |
5002 | |
4722 | void |
5003 | void |
4723 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5004 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4724 | { |
5005 | { |
4725 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5006 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4726 | |
5007 | |
4727 | if (expect_false (!once)) |
5008 | if (expect_false (!once)) |
4728 | { |
5009 | { |
… | |
… | |
4749 | } |
5030 | } |
4750 | |
5031 | |
4751 | /*****************************************************************************/ |
5032 | /*****************************************************************************/ |
4752 | |
5033 | |
4753 | #if EV_WALK_ENABLE |
5034 | #if EV_WALK_ENABLE |
4754 | void ecb_cold |
5035 | ecb_cold |
|
|
5036 | void |
4755 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5037 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4756 | { |
5038 | { |
4757 | int i, j; |
5039 | int i, j; |
4758 | ev_watcher_list *wl, *wn; |
5040 | ev_watcher_list *wl, *wn; |
4759 | |
5041 | |
4760 | if (types & (EV_IO | EV_EMBED)) |
5042 | if (types & (EV_IO | EV_EMBED)) |